noun
magnetic recording
Technical term in computing and electronics for storing data on magnetic media such as tapes, disks, or cards.
磁気記録はハードディスクの基本原理です。
Magnetic recording is the basic principle of hard disks.
この装置は磁気記録を使ってデータを保存します。
This device stores data using magnetic recording.
Compound of 磁気 (magnetism) and 記録 (record, recording). A straightforward technical term with no obscure historical derivation.